/Engine/Source/Runtime/CoreUObject/Public/UObject/SparseDelegate.h
Sparse delegate offsets are indexed by ActorClass/DelegateName pair
static [TMap](API\Runtime\Core\Containers\TMap)< TPair< [FName](API\Runtime\Core\UObject\FName), [FName](API\Runtime\Core\UObject\FName) >, size_t > SparseDelegateObjectOffsets;